Osprey Pens leak guard kit.
The Osprey Pens leak guard kit is a convenient and inexpensive accessory for your fountain pen kit. Field tested and developed for grassroots School Calligraphy programs, the leak guard kit comes with Silicone grease in a custom Osprey Pens container . Silicone grease is a pliable sealant that can help prevent unwanted leaks and is safe for use on fountain pens. The Teflon sealing tape can also help to reduce chances of leaking when used on threaded portions.